Cycles Error: Cuda failed to find version number
Run nvcc on the command-line with option --version. It should show some version information similar to:

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2012 NVIDIA Corporation
Built on Tue_Sep_25_09:18:50_PDT_2012
Cuda compilation tools, release 5.0, V0.2.1221


The most important part is the last line Cuda compilation tools, release 5.0, V0.2.1221. Cycles looks for the first part Cuda compilation tools, release. If this cannot be found, then Cycles gives up with the error you pasted.

If it is different (and based on your output the entire version string is even empty), then you need to contact the package creator to report a bug.